CarBole 7mm Stock Boots Spark Plug Wire Set Ignition Wire Kits for Buick Cadillac Chevy V8 5.7L 4.3L 1. Brand : CarBole; Diameter (mm): 7.00mm; Black stock boots Super Stock Spark Plug Wires . 2. The 550 degree F rated silicone jacket is extruded over a tightly woven, rugged fiberglass braid. 3. Fit for 1994~1995 Buicks Commercial Chassis & Roadmaster ,Cadillacs Commercial Chassis & Fleetwood ,Chevrolets Caprice & Impala . 4. Spark plug distributor boot shape and materials provide proper fit, installation, and water-tight seal . Coil retainer prevents fretting and micro-arcing . 5. Strength enhancing components and thick, high temperature insulation jacket for outstanding resistance to heat, oil, and abrasion while promoting durability and protection .